Custom Products Combat Classic .689 20" Barrel - Autococker BBs & Accessories A small increase in operating

A small increase in operating pressure and the associated small increase in sound signature are the only penalties

25g and heavier Matrix & compatible high grade bbs recommended

Firing Modes: Semi-Automatic / Gas Blowback

This fits the A1 Fly

Empire E-Vent Description:

Custom Products Combat Classic .689 20" Barrel - Autococker BBs & Accessories A small increase in operatingThe Combat Classic Barrel is machined and honed to the same exacting standards as the Combat Pro System but does not have the interchangeable tip or optional hand guard thread adapter. The entire barrel has been "fluted" and has superior porting to reduce noise and improve accuracy.